Volkswagen has reached a deal in principle with U.S. regulators regarding the recall of diesel cars in the U.S., Reuters reports. The framework agreement comes just as VW will update U.S. ...

The issue with the 3.0-liter diesels differs from cars equipped with the 2.0-liter TDI I-4; VW has indicated the larger engines use a catalyst warmup technique that was not disclosed to the EPA, simpler to bring into compliance. A new catalytic converter could be part of the fix, which is still expected to include a software upgrade.

Volkswagen will not publish a preliminary report on the internal investigation into the creation of emissions-cheating software, Automotive News reports. The preliminary findings of the probe carried ...

Even though the issue of the 3.0-liter diesels is distinct from the much larger problem of emissions-cheating software in some 482,000 2.0-liter TDI engines, a recall campaign is still tied to the settlement that VW is expected to sign with U.S. regulators at the end of June. The automaker has reached a deal "in principle" with the EPA and CARB in regards to 2.0-liter diesels, as announced in U.S. district court last month, but the agreement does not address 3.0-liter engines. The issue was set aside by the court.

For now, the deal reached with regulators does not include an option for owners of the larger diesels to sell back their vehicles to VW.